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Finding the Fourth Proportional to 48,453.60, 72,712.80 and 22,144.80

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Solution

The fourth proportional to 48,453.60, 72,712.80 and 22,144.80 is: 33,232.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,453.60 : 72,712.80 = 22,144.80 : x
  2. Step 2: Convert to fraction form
    48,453.60/72,712.80 = 22,144.80/x
  3. Step 3: Cross multiply
    48,453.60x = 72,712.80 × 22,144.80
  4. Step 4: Simplify right side
    48,453.60x = 1,610,210,413.44
  5. Step 5: Solve for x
    x = 1,610,210,413.44/48,453.60
  6. Step 6: Final answer
    x = 33,232.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.